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Kate, Duchess of Cambridge, speaks to the Lord Lieutenant of Cambridgeshire as she arrives in Cambridge station on Nov. 28, 2012, in Cambridge, England.

The Duke and Duchess of Cambridge are on their first official joint visit to the city since their marriage.

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Kate, Duchess of Cambridge, waves as she arrives at the Guildhall in Cambridge, England, on Nov. 28, 2012.

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Prince William meets members of the public in the Market Square during an official visit to the Guildhall on Nov. 28, 2012, in Cambridge, England.

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Kate, Duchess of Cambridge, left, greets 5-month-old James William Davies as she arrives at the Guildhall during her visit to Cambridge, north of London, on Nov. 28, 2012.

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Prince William meets well-wishers during his visit to Cambridge, England, on Nov. 28, 2012.

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Kate, Duchess of Cambridge meets well-wishers during a visit to Cambridge, England, on Nov. 28, 2012.

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Kate, Duchess of Cambridge, and Prince William smile and wave to the crowds from the balcony of Cambridge Guildhall as they pay an official visit to Cambridge, England, on Nov. 28, 2012.

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Kate, Duchess of Cambridge, and Prince William, Duke of Cambridge, smile and wave to the crowds from the balcony of Cambridge Guildhall as they pay an official visit to Cambridge, England, on Nov. 28, 2012.

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Kate, Duchess of Cambridge, and Prince William, Duke of Cambridge, smile and wave to the crowds from the balcony of Cambridge Guildhall as they pay an official visit to Cambridge, England, on Nov. 28, 2012.

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Kate, Duchess of Cambridge, and Prince William smile and wave to the crowds from the balcony of Cambridge Guildhall as they pay an official visit to Cambridge, England, on Nov. 28, 2012.

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Prince William and Kate, Duchess of Cambridge, are seen during an official visit to the Guildhall on Nov. 28, 2012, in Cambridge, England.

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Kate, Duchess of Cambridge meets dignitaries and views the Council's Civic Insignia during an official visit to the Guildhall on Nov. 28, 2012, in Cambridge, England.

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Kate, Duchess of Cambridge, speaks to university staff during a visit to Senate House in Cambridge, England, on Nov. 28, 2012.

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Prince William is cheered by pupils as he visits Manor School as he pays an official visit to Cambridge, England, on Nov. 28, 2012.

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Kate, Duchess of Cambridge, meets children working on projects as she visits Manor School with Prince William on Nov. 28, 2012, during an official visit to Cambridge, England.

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Prince William, Duke of Cambridge meets pupils as he visits Manor School on Nov. 28, 2012, during an official visit to Cambridge, England.

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Kate, Duchess of Cambridge, and Prince William watch a performance as they visit Manor School on Nov. 28, 2012, during an official visit to Cambridge, England.